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中文摘要：
采用三电极体系法，通过分析K2FeO4电极的间歇放电及电极在10mol·L^-1KOH溶液中的循环伏安行为，了解K2FeO4电极的放电机制．比较K2FeO4电极放电前后的X射线衍射结果，表明K2Fe04的放电机制为固-固放电，K2FeO4的放电过程分两步进行，即Fe（Ⅵ）→Fe（Ⅴ）→Fe（Ⅲ）．其放电产物形式比较复杂，最终可能转化为FeOOH，且在放电过程中，OH^-，H2O等作为反应物或产物可能参与了放电过程．
英文摘要：
In order to understand the discharge mechanism of K2FeO4 electrode, the intermittent discharge and cycle voltammetry （CV） behavior of K2FeO4 electrode using 10 mol·L^-1 KOH solution as electrolyte in a three-electrode system was investigated in this paper. By comparing the XRD results before and after discharge of K2FeO4 electrode, it is clear that the discharge process is a solid-solid course and may contain two steps, that is, Fe（Ⅵ）→Fe（Ⅴ）→Fe（Ⅲ）. The discharge product of K2FeO4 are very complex and maybe translate into FeOOH ultimately. OH^-, H2O and so on may participate in the discharge process as reactants or productions.
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